Finding the Fourth Proportional to 319,746.84, 441,253.74 and 176,503.80
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Solution
The fourth proportional to 319,746.84, 441,253.74 and 176,503.80 is: 243,576.96
Step by Step Solution
- Step 1: Write the proportion equation
319,746.84 : 441,253.74 = 176,503.80 : x - Step 2: Convert to fraction form
319,746.84/441,253.74 = 176,503.80/x - Step 3: Cross multiply
319,746.84x = 441,253.74 × 176,503.80 - Step 4: Simplify right side
319,746.84x = 77,882,961,874.21 - Step 5: Solve for x
x = 77,882,961,874.21/319,746.84 - Step 6: Final answer
x = 243,576.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.